The Cook Political Report yesterday released 15 new House race rating changes (subscription required), including shifting the race in Virginia between Democratic incumbent Gerry Connolly and Republican Keith Fimian to a toss up. Additionally, Georgia Blue Dog Democrat Jim Marshall’s race against Republican Austin Scott was changed from a toss up to leaning Republican.

But in Massachusetts’s Fourth Congressional District, the race between Barney Frank and Republican upstart Sean Bielat has moved from “Likely Democrat” to “Lean Democrat.” Here’s the Cook analysis: